St Martins Road is in Knebworth and in North Hertfordshire district. SG3 6EL is located in the Knebworth electoral ward, within the English Parliamentary constituency of Stevenage. This postcode has been in use since 2008-06-01.
StreetScan combines information about St Martins Road, Knebworth, SG3 6EL and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SG3 6EX, SG3 6DD, SG3 6EY, SG3 6AH, SG3 6DA, SG3 6AP, SG3 6ER, SG3 6DF, SG3 6AN.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding SG3 6EL has a slightly higher male population, with 50.4% of residents being male. Several factors can contribute to this, including areas with industries or sectors that predominantly employ men, proximity to universities or technical schools with a higher enrollment of male students, presence of all-male or predominantly male institutions (military academies, boarding schools).
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 51.6% | 49.6% | -2.0% | 51.0% | -1.4% |
| Male | 48.4% | 50.4% | 2.0% | 49.0% | 1.4% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 28.8% | 34% | 5.2% | 37.9% | -3.9% |
| Married: Opposite sex | 56.3% | 42.9% | -13.4% | 44.2% | -1.3% |
| Separated | 3.5% | 2.6% | -0.9% | 2.2% | 0.4% |
| Divorced | 7% | 7.4% | 0.4% | 9.1% | -1.7% |
| Widowed | 4.4% | 13.1% | 8.7% | 6.1% | 7.0% |
Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.
Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.
This area has a high percentage of residents reporting their health as Good or Very Good (86.6%) compared to the average (82%). This typically indicates either a younger population or more affluent area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 55.2% | 60.4% | 5.2% | 48.4% | 12.0% |
| Good health | 31.2% | 26.2% | -5.0% | 33.6% | -7.4% |
| Fair health | 12.2% | 12% | -0.2% | 12.7% | -0.7% |
| Bad health | 1.4% | 0.8% | -0.6% | 4.0% | -3.2% |
| Very bad health | 0% | 0.5% | 0.5% | 1.2% | -0.7% |
During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.
In the area around SG3 6EL this area, 5.8% of residents have no qualifications. This is significantly lower than the UK average of 18.2%. This area stands out for its high percentage of residents with higher education degree or similar. The UK average is 33.8%, while in this area it is 46.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 9.2% | 5.8% | -3.4% | 18.2% | -12.4% |
| 1-4 GCSEs or Equivalent | 7.9% | 9.3% | 1.4% | 9.6% | -0.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.3% | 18.6% | 3.3% | 13.4% | 5.2% |
| Apprenticeship | 2.2% | 3.8% | 1.6% | 5.3% | -1.5% |
| HNC, HND or 2+ A Levels | 14% | 14.1% | 0.1% | 16.9% | -2.8% |
| Degree or Similar | 47.2% | 46.2% | -1.0% | 33.8% | 12.4% |
| Other | 4.4% | 2.2% | -2.2% | 2.8% | -0.6% |
This area closely mirrors the overall ethnic composition of the UK, with 89.5% of the population identifying as white, with UK average of 81.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Bangladeshi | 0% | 1.7% | 1.7% | 1.1% | 0.6% |
| Chinese | 1.1% | 1.1% | 0.0% | 0.7% | 0.4% |
| Indian | 0.7% | 3% | 2.3% | 3.1% | -0.1% |
| Other Asian | 0.4% | 1.1% | 0.7% | 1.6% | -0.5% |
| Black African | 1.8% | 0% | -1.8% | 2.5% | -2.5% |
| Black Caribbean | 0.7% | 0.3% | -0.4% | 1.0% | -0.7% |
| Other Black | 0% | 0.3% | 0.3% | 0.5% | -0.2% |
| Mixed White and Asian | 0.4% | 1.1% | 0.7% | 0.8% | 0.3% |
| Mixed White and African | 1.1% | 0.6% | -0.5% | 0.4% | 0.2% |
| Mixed White and Caribbean | 0.7% | 1.4% | 0.7% | 0.9% | 0.5% |
| White | 92.8% | 89.5% | -3.3% | 81.4% | 8.1% |
| Other | 0.4% | 0% | -0.4% | 1.6% | -1.6% |
In this area, 80.5% of the population were born in the United Kingdom, which is similar to the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 88.9% | 80.5% | -8.4% | 83.2% | -2.7% |
| European Union | 4.7% | 10.7% | 6.0% | 6.1% | 4.6% |
| Rest of Europe | 0.7% | 0.5% | -0.2% | 0.8% | -0.3% |
| Africa | 2.5% | 1.1% | -1.4% | 2.7% | -1.6% |
| Middle East and Asia | 1.1% | 4.1% | 3.0% | 5.6% | -1.5% |
| The Americas and the Caribbean | 0.7% | 1.6% | 0.9% | 1.3% | 0.3% |
| Oceania | 1.4% | 1.4% | 0.0% | 0.3% | 1.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 87.5% | 81% | -6.5% | 83.2% | -2.2% |
| 10+ Years | 0.4% | 16.5% | 16.1% | 9.8% | 6.7% |
| 5-10 Years | 2.5% | 1.4% | -1.1% | 2.9% | -1.5% |
| 2-5 Years | 3.2% | 0.3% | -2.9% | 2.2% | -1.9% |
| Less than 2 years | 6.5% | 0.8% | -5.7% | 1.9% | -1.1% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 82.1% | 76.7% | 5.4% |
| Ireland | 6.3% | 0.6% | 5.7% |
| Italy | 0.3% | 0.6% | -0.3% |
| Spain | 0.3% | 0.4% | -0.1% |
| Poland | 1.7% | 1.3% | 0.4% |
| Other EU countries | 0.8% | 1.5% | -0.7% |
| Eastern Asia | 0.8% | 0.3% | 0.5% |
| Southern Asia | 1.4% | 1.2% | 0.2% |
| North America and the Caribbean | 0.6% | 0.3% | 0.3% |
| Oceania | 0.6% | 0.1% | 0.5% |
| No passport held | 5.2% | 13.5% | -8.3% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 44.9% | 37.2% | 7.7% |
| Christian | 47.9% | 46.2% | 1.7% |
| Buddhist | 0.3% | 0.5% | -0.2% |
| Jewish | 0.8% | 0.5% | 0.3% |
| Muslim | 1.7% | 6.5% | -4.8% |
| Sikh | 1.1% | 0.9% | 0.2% |
| Other religion | 0.3% | 0.6% | -0.3% |
| Not answered | 3% | 6.0% | -3.0% |
Over the last 12 months, the overall crime rate around St Martins Road was 177.6 per 1,000 residents, which is 448.5% higher than the Codicote & Kimpton average. The most reported crime type was Shoplifting.
St Martins Road has the highest crime rate of 32 local areas in Codicote & Kimpton and the 29th highest crime rate of 413 local areas in North Hertfordshire .
Violent and sexual offences accounted for around 18.3 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -23.6%.

Households in this area have a higher level of wealth to the average household in England and Wales. 80% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Apartment 24 Robert Ellis Court St Martins Road, Knebworth, Hertfordshire Flats/Maisonettes, an established residential building | £420,000 | 2023-10-12 | £416,243 |
| Apartment 15 Robert Ellis Court St Martins Road, Knebworth, Hertfordshire Flats/Maisonettes, an established residential building | £365,000 | 2023-09-14 | £368,325 |
| Apartment 17 Robert Ellis Court St Martins Road, Knebworth, Hertfordshire Flats/Maisonettes, an established residential building | £285,000 | 2022-05-20 | £285,860 |
| Apartment 12 Robert Ellis Court St Martins Road, Knebworth, Hertfordshire Other, an established residential building | £318,000 | 2022-01-31 | £320,572 |
| Apartment 20 Robert Ellis Court St Martins Road, Knebworth, Hertfordshire Flats/Maisonettes, an established residential building | £375,000 | 2021-06-29 | £382,285 |
SG3 6EL area has a high level of entrepreneurship. Only 21% of streets have higher percent of entrepreneur residents. 12% of population in this area is self-employed, while the average in the UK is 9.7%. High number of entrepreneurs usually leads to relatively high economic growth, higher paid jobs and better quality of life in the area.
SG3 6EL area has a low unemployment rate. According to Census 2021, 1% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.
| Full-Time Employee | 127 |
| Retired | 69 |
| Part-Time Employee | 40 |
| Self-Employed | 39 |
| Student (economically inactive) | 14 |
| Other | 10 |
| Looking after home or family | 6 |
| Unemployed | 4 |
| Full-Time Student (with or without job) | 4 |
| Long-Term Sick or disabled | 2 |
| Education | 25 |
| Professional, scientific and technical activities | 25 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 19 |
| Information and communication | 15 |
| Other | 13 |
| Financial and insurance activities | 11 |
| Human health and social work activities | 11 |
| Construction | 9 |
| Administrative and support service activities | 9 |
| Manufacturing | 9 |
| Accommodation and food service activities | 7 |
| Public administration and defence; compulsory social security | 6 |
| Transport and storage | 4 |
| Real estate activities | 3 |
| Agriculture, forestry and fishing | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Peartree Way Nursery School Peartree Way , SG2 9EA | 3out of 4 | 3,158 yd | Local authority nursery school | Yes | Mixed | More About School |
| Tenterfield Nursery School London Road , AL6 9JF | 4out of 4 | 5,381 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Knebworth Primary and Nursery School Swangleys Lane , SG3 6AA | 3out of 4 | 291 yd | Community school | Yes | Mixed | More About School |
| All Saints Church of England Voluntary Aided Primary School, Datchworth Hollybush Lane , Datchworth SG3 6RE | 3out of 4 | 1,895 yd | Voluntary aided school | No | Mixed | More About School |
| St Michael's Woolmer Green CofE VA Primary School London Road , SG3 6JP | 3out of 4 | 1,951 yd | Voluntary aided school | No | Mixed | More About School |
| Shephalbury Park Primary School Burydale , Broadwater SG2 8AX | 3out of 4 | 2,066 yd | Community school | Yes | Mixed | More About School |
| Longmeadow Primary School Oaks Cross , Broadwater SG2 8LT | 3out of 4 | 2,217 yd | Community school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Barnwell School Barnwell , SG2 9SW | 2out of 4 | 2,935 yd | Foundation school | No | Mixed | More About School |
| Marriotts School Brittain Way , SG2 8UT | 3out of 4 | 4,516 yd | Community school | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| North Hertfordshire College Monkswood Way , SG1 1LA | - not rated | 3,831 yd | Further education | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Greenside School Shephall Green , SG2 9XS | 3out of 4 | 2,805 yd | Community special school | Yes | Mixed | More About School |
| The Valley School Broadhall Way , SG2 9BN | 3out of 4 | 2,853 yd | Community special school | Not Applicable | Mixed | More About School |
| Lonsdale School Brittain Way , SG2 8UT | 3out of 4 | 4,514 yd | Community special school | Yes | Mixed | More About School |
| Sherrardswood School Lockleys , AL6 0BJ | - not rated | 4,942 yd | Other independent school | Yes | Mixed | More About School |
| Stevenage Education Support Centre Collenswood Road , SG2 9HQ | 3out of 4 | 5,069 yd | Pupil referral unit | Not Applicable | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Coasters | 130 London Road | 77 yd | |
| Lucas May Coffee Gelato | Plot A, 120 London Road | 130 yd | |
| Caffe Vero | 7 Station Road | 172 yd | |
| Dominic's cafe | Knebworth Railway Station Station Approach | 359 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Royal British Legion | Hall Gun Lane | 345 yd | |
| The Station | The Station Station Approach | 359 yd | |
| Knebworth Golf Club | Knebworth Golf Club Deards End Lane | 796 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Knebworth Fish and Chips | Knebworth Fish And Chips, 121 London Road | 39 yd | |
| Raja Takeaway | 129 London Road | 39 yd | |
| Ming Che Chinese Takeaway | 140 London Road | 77 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Co-op | 119 London Road | 39 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Knebworth Recreation Ground KNEBWORTH SPORTS PAVILION KNEBWORTH SPORTS PAVILION WATTON ROAD | grass pitches, tennis courts | 265 yd |
| Knebworth Golf Club DEARDS END LANE | golf | 988 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
| Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 100.0% |
| Percentage of premises unable to receive 2Mbit/s | 0.0% |
| Percentage of premises unable to receive 5Mbit/s | 0.0% |
| Percentage of premises unable to receive 10Mbit/s | 0.0% |
| Percentage of premises unable to receive 30Mbit/s | 0.0% |
| Median download speed | 100 Mbit/s |
| Average download speed | 155.3 Mbit/s |
| Minimum download speed | 350 Mbit/s |
| Maximum download speed | 350 Mbit/s |
| Median upload speed | 10 Mbit/s |
| Average upload speed | 15.5 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.